#include<stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/wait.h>

int main()
{
  printf("begin.....\n");
  printf("begin.....\n");
  printf("begin.....\n");
  printf("begin.....\n");
  printf("begin.....\n");
  execl("/bin/ls","ls","a","l",NULL);
  
  printf("end.....\n");
  printf("end.....\n");
  printf("end.....\n");
  printf("end.....\n");
  printf("end.....\n");
}
